* {
    box-sizing: border-box;
}
@media screen and (max-width: 620px) {
    :root {
        font-size: 0.9em;
    }
}
:root {
    //主题颜色变量
    --aside-bg: #001529;
    --aside-fg: hsla(0, 0%, 100%, 0.7);
    --aside-active-bg: #1890ff;
    --aside-active-fg: hsla(0, 0%, 100%);
    --head-bg: #fff;
    --head-fg: rgb(104, 104, 104);
    --head-active-color: #1890ff;
}
html,
body {
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
}
ul {
    list-style: none;
    padding: 0;
    margin: 0;
}
a {
    color: inherit;
    text-decoration: none;
}
